AFP. License: All Rights Reserved.

Source: http://www.nbcnews.com.License: All Rights Reserved.

Reuters. License: All Rights Reserved.

Publishing director Stephane Charbonnier (Charb), pictured in here 2012.

Source: http://www.20minutes.fr.License: All Rights Reserved.

Les journalistes de l'AFP ont symboliquement posé avec des affichettes «Je suis Charlie» dans leur rédaction parisienne.

Source: http://www.wired.com.Georges Gobet/AFP/Getty Images. License: All Rights Reserved.

A man holds up an edition of Charlie Hebdo magazine as people gather on the Place Royale in Nantes, western France, on January 7, 2015, to show their solidarity with the victims of the attack on the offices of the satirical weekly in Paris. Muhammad's speech bubble in the cartoon reads, in French, "A hundred lashes if you don't die laughing."

Source: http://www.20minutes.fr.License: All Rights Reserved.

Des personnes affichaient de lumineux «Je suis Charlie» sur leur écran de portable.

Source: http://www.charliehebdo.fr.License: All Rights Reserved.

Source: http://www.charliehebdo.fr.License: All Rights Reserved.

Source: http://www.charliehebdo.fr.License: All Rights Reserved.

Source: http://www.charliehebdo.fr.License: All Rights Reserved.